/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
 *@filename: table_map_iterator.h
 */
#ifndef __TABLE_MAP_ITERATOR_H__
#define __TABLE_MAP_ITERATOR_H__

#include <stdint.h>

/* An iterator to quickly walk over bits in unint64_t bitmap. */
class Table_map_iterator
{
  uint64_t bmp;
  uint32_t no;
public:
  Table_map_iterator(uint64_t t) : bmp(t),no(0)
  {}

  int next_bit();

  enum { BITMAP_END= 64 };
};

#endif  //__TABLE_MAP_ITERATOR_H__
